Function streamFile

ThirdParty/libxml2/vtklibxml2/xmllint.c:1761–1916

}

static void streamFile(const char *filename) {
    xmlTextReaderPtr reader;
    int ret;
#ifdef HAVE_MMAP
    int fd = -1;
    struct stat info;
    const char *base = NULL;

    if (memory) {
	if (stat(filename, &info) < 0)
	    return;
	if ((fd = open(filename, O_RDONLY)) < 0)
	    return;
	base = mmap(NULL, info.st_size, PROT_READ, MAP_SHARED, fd, 0) ;
	if (base == (void *) MAP_FAILED) {
	    close(fd);
	    fprintf(ERR_STREAM, "mmap failure for file %s\n", filename);
	    progresult = XMLLINT_ERR_RDFILE;
	    return;
	}

	reader = xmlReaderForMemory(base, info.st_size, filename,
	                            NULL, options);
    } else
#endif
    if (strcmp(filename, "-") == 0)
	reader = xmlReaderForFd(STDIN_FILENO, "-", NULL, options);
    else
	reader = xmlReaderForFile(filename, NULL, options);
#ifdef LIBXML_PATTERN_ENABLED
    if (patternc != NULL) {
        patstream = xmlPatternGetStreamCtxt(patternc);
	if (patstream != NULL) {
	    ret = xmlStreamPush(patstream, NULL, NULL);
	    if (ret < 0) {
		fprintf(ERR_STREAM, "xmlStreamPush() failure\n");
		xmlFreeStreamCtxt(patstream);
		patstream = NULL;
            }
	}
    }
#endif


    if (reader != NULL) {
        if (maxAmpl > 0)
            xmlTextReaderSetMaxAmplification(reader, maxAmpl);
#ifdef LIBXML_SCHEMAS_ENABLED
	if (relaxng != NULL) {
	    if ((timing) && (!repeat)) {
		startTimer();
	    }
	    ret = xmlTextReaderRelaxNGValidate(reader, relaxng);
	    if (ret < 0) {
		fprintf(ERR_STREAM,
			"Relax-NG schema %s failed to compile\n", relaxng);
		progresult = XMLLINT_ERR_SCHEMACOMP;
		relaxng = NULL;